Power toothbrush



FIG. 1 is a top perspective view of a power toothbrush embodying our new design;

FIG. 2 is an enlarged front view thereof;

FIG. 3 is an enlarged rear view thereof;

FIG. 4 is an enlarged first side view thereof;

FIG. 5 is an enlarged second side view thereof; and,

FIG. 6 is an enlarged top plan view thereof.

The broken lines showing the bristles and the button on the handle and the hourglass-shaped broken line shown on the handle illustrate portions and environment of the power toothbrush that form no part of the claimed design. 

CLAIM The ornamental design for a power toothbrush, substantially as shown and described. 